
Plank Timer
Custom plank & core workout timer with challenges - great for abs training!
exercisetimer.org · org.exercisetimer.planktimer
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.3.0 (94)
- Updated
- Jun 14, 2026 (4 months ago)
- APK size
- 21.9 MB
- Requires
- Android 9+ (API 28)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Health & Fitness (app)
- Listed since
- Mar 21, 2023 (at least)
- Permissions
- 17
- Website
- exercisetimer.org
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Plank Timer is an app by exercisetimer.org in the Health & Fitness category, listed since at least March 2023. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.1.0, the APK shrank from 26.9 MB to 21.9 MB. Since version 1.6.6, the minimum Android version rose from 4.1 to 9. It asks for 17 permissions, none of them sensitive. It asks for the same permissions as version 2.2.1. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
What's new in v2.3.0
Description
From the listing uploaded by “appupdater”.
Version history
4 versions are listed, going back to v1.6.6. Since v2.1.0 it requires Android 9+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jun 14, 2026.
- Certificate issued to “Volodymyr Kotiuk” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature verified Jun 14, 2026
- Validated against Google Play Jun 14, 2026
- Signed byCN=Volodymyr Kotiuk, L=Vancouver, ST=BC, C=CA
- Signing certificate (SHA-1)B2:35:6B:AA:0B:8F:D7:8E:AA:1D:B1:FD:9E:9C:FC:1D:B5:53:61:06
- File MD5bd00e2b50bd8bf34862a34e8f90428d1
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (17)
Plank Timer requests 17 permissions, none of them sensitive.
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Control vibration android.permission.VIBRATE
- Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) org.exercisetimer.planktimer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- Use biometric hardware android.permission.USE_BIOMETRIC
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
Plank Timer APK: questions and answers
Is there a version of Plank Timer for older Android phones?
The current version needs Android 9 or later. Version 1.6.6 is the newest listed build that installs on Android 4.1 and later. Get version 1.6.6 · All versions
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is Plank Timer free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Plank Timer APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is bd00e2b50bd8bf34862a34e8f90428d1.